Ontologia

Commune · TCD

Massalat-Oum-Hadjer

Chad

BShArid, steppe, hot(70 %)

Species observed

92

Observations

336

Area

3 982,6km²

Ecological tissue

Sample of 23 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Massalat-Oum-Hadjer : 22 espèces reliées par 17 interactions GloBI sur 2 types (connectance 6.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
17
Connectance
0.067
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

92 distinct species · 336 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

336 obs · 17 cellules
Obs. / cellule
≥ 96
80–95
17–79
8–16
< 8

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

28,8°C

Annual rain

415mm

Warmest m°

40,6°C

Coldest m°

16,3°C

Elevation: 411 m on average (min 372 m, max 455 m)

Bioclimatic detailsExpert
Annual mean temp.
28,8°C
Annual rain
415mm
Warmest month
40,6°C
Coldest month
16,3°C
Mean alt.
411m
Min
372m
Max
455m
Std. dev.
17m
Köppen-Geiger (dominant)
BShArid, steppe, hot(70 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,3

Org. C

6,3g/kg

Clay

33,9%

Sand

35,8%

Silt

30,4%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: suGLiMaggregated to Batha Est

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,2
Org. C
6,9g/kg
Clay
33,0%
Sand
36,8%
Silt
30,1%
5–15 cm
pH H₂O
7,2
Org. C
6,5g/kg
Clay
33,2%
Sand
36,1%
Silt
30,8%
15–30 cm
pH H₂O
7,4
Org. C
5,5g/kg
Clay
35,4%
Sand
34,4%
Silt
30,2%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest4.6%
Crops15.2%
Built-up0.1%
Bare soil4.3%
Other (grassland, water…)75.8%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology20 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

193,7km

Basins crossed

20

Max stream order

6

Max drainage

33 275km²

Discharge in basins

55,9m³/s

Mean precip.

445mm/an

Mean T°

29,6°C

Moisture idx

-0,80

Mean runoff

20mm/an

Mean elev. (basins)

417m

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

5,2%

Pesticides

0,1kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)